midoceanic ridge

midoceanic ridge

A submarine mountain chain formed of upwelling molten rock.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
References in periodicals archive ?
It's located about 15 km away from a midoceanic ridge and on ocean crust that's about 1.5 million years old.
"We found a pattern that was predicted by some of the theoretical models of upwelling in midoceanic ridges," Forsyth said.
Walter Pitman, James Hays andMichelle Kominz at Lamont Doherty Geological Observatory in Palisades, N.Y., have worked out the link between sea level changes and spreading rate: When ocean floor is churned out quickly at midoceanic ridges, the ridges tend to be broader.